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First big modern models of the "80's generation", it was in the autumn of 1977, that the F12 trucks for the traction of semi-trailers were launched, replacing the F89 that appeared in 1970.These models with a completely new advanced cab will benefit from the research that had led to the launch of the N models in 1973. This was especially due to the special high-strength steel chassis, and the elements of the kinematic chain, also improved and reinforced. The series use of aluminum tanks and leaf springs in parabolic profile resulted from the need to reduce the weight of the truck as much as possible in order to increase the goods.On board the F12, the driver's working conditions became excellent, which was essential for considerable distances from international transport. The highly visible cab, completely new and with great habitability, rested at the front and rear on helical shock absorber springs. This constituted an additional level of protection against vibrations and completely eliminated the vibrations transmitted by the wheels and the suspension. On the other hand, driver and passenger seats were also fitted as standard with vibration-absorbing springs. Another notable novelty for the time: extreme ergonomics of the driving position with adjustable steering wheel, air conditioning and even lighted access. According to Scandinavian safety standards, the cabin with reinforced walls had, with the highest engine speeds, the sound level of a tourist car. Finally, the entire range offered a separate luggage compartment, accessed via a specially created trapdoor from the outside of the cabin.In the fall of 1979, Volvo proposes the TD120F engine with supercharging in the heat exchanger (intercooler), reaching 385 hp at 2000 revolutions per minute. This advantage can be quantified by 35 CV more than the version without intercooler, associated with lower fuel consumption. At the same time, the new SR70 gearbox was launched, reserved for 12-liter models (F12). It was a slower 12-speed gearbox. An 8-speed version was also available.The Volvo F12 "Intercooler" has long been the backbone of Volvo's long-haul fleet. It has always embodied the greatest success Volvo has ever encountered. Until the mid-1990s, more than 200,000 trucks in this range were produced.